Commitments and Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 2020

Commitments And Contingencies Disclosure [Abstract]

Summary of Recent Approximate Asbestos Claims Activity

A summary of recent approximate asbestos claims activity follows. Because claims are often filed and disposed of by dismissal or settlement in large numbers, the amount and timing of settlements and the number of open claims during a particular period can fluctuate significantly.

(Dollars in millions)	2020			2019			2018
Pending claims, beginning of year		39,600			43,100			54,300
New claims filed during the year		1,100			1,500			1,300
Claims settled/dismissed		(2,000	)		(5,000	)		(12,500	)
Pending claims, end of year		38,700			39,600			43,100
Payments(1)	$	13		$	22		$	18

(1) Represents cash payments made during the period by us and our insurers on asbestos litigation defense and claim resolution.

Changes in the Warranty Reserve

The following table presents changes in the warranty reserve during 2020 and 2019:

(In millions)	2020			2019
Balance at January 1	$	22		$	18
Payments made during the period		(21	)		(25	)
Expense recorded during the period		21			29
Translation adjustment		—			—
Balance at December 31	$	22		$	22